This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / net / netfilter / xt_CLASSIFY.c

diff --git a/net/netfilter/xt_CLASSIFY.c b/net/netfilter/xt_CLASSIFY.c
new file mode 100644 (file)
index 0000000..e54e577
--- /dev/null
+++ b/net/netfilter/xt_CLASSIFY.c
@@ -0,0 +1,87 @@
+/*
+ * This is a module which is used for setting the skb->priority field
+ * of an skb for qdisc classification.
+ */
+
+/* (C) 2001-2002 Patrick McHardy <kaber@trash.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <net/checksum.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_CLASSIFY.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("iptables qdisc classification target module");
+MODULE_ALIAS("ipt_CLASSIFY");
+
+static unsigned int
+target(struct sk_buff **pskb,
+       const struct net_device *in,
+       const struct net_device *out,
+       unsigned int hooknum,
+       const struct xt_target *target,
+       const void *targinfo,
+       void *userinfo)
+{
+       const struct xt_classify_target_info *clinfo = targinfo;
+
+       if ((*pskb)->priority != clinfo->priority)
+               (*pskb)->priority = clinfo->priority;
+
+       return XT_CONTINUE;
+}
+
+static struct xt_target classify_reg = { 
+       .name           = "CLASSIFY", 
+       .target         = target,
+       .targetsize     = sizeof(struct xt_classify_target_info),
+       .table          = "mangle",
+       .hooks          = (1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) |
+                         (1 << NF_IP_POST_ROUTING),
+       .family         = AF_INET,
+       .me             = THIS_MODULE,
+};
+static struct xt_target classify6_reg = { 
+       .name           = "CLASSIFY", 
+       .target         = target,
+       .targetsize     = sizeof(struct xt_classify_target_info),
+       .table          = "mangle",
+       .hooks          = (1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) |
+                         (1 << NF_IP_POST_ROUTING),
+       .family         = AF_INET6,
+       .me             = THIS_MODULE,
+};
+
+
+static int __init xt_classify_init(void)
+{
+       int ret;
+
+       ret = xt_register_target(&classify_reg);
+       if (ret)
+               return ret;
+
+       ret = xt_register_target(&classify6_reg);
+       if (ret)
+               xt_unregister_target(&classify_reg);
+
+       return ret;
+}
+
+static void __exit xt_classify_fini(void)
+{
+       xt_unregister_target(&classify_reg);
+       xt_unregister_target(&classify6_reg);
+}
+
+module_init(xt_classify_init);
+module_exit(xt_classify_fini);